CA1022281A - Digital dc offset removal method for data systems - Google Patents

Digital dc offset removal method for data systems

Info

Publication number
CA1022281A
CA1022281A CA194,740A CA194740A CA1022281A CA 1022281 A CA1022281 A CA 1022281A CA 194740 A CA194740 A CA 194740A CA 1022281 A CA1022281 A CA 1022281A
Authority
CA
Canada
Prior art keywords
digital
removal method
data systems
offset removal
offset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA194,740A
Other languages
English (en)
French (fr)
Other versions
CA194740S (en
Inventor
Paul E. Carroll
Ralph A. Harris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of CA1022281A publication Critical patent/CA1022281A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/24—Recording seismic data
    • G01V1/245—Amplitude control for seismic recording
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/06—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA194,740A 1973-03-30 1974-03-12 Digital dc offset removal method for data systems Expired CA1022281A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00346518A US3819864A (en) 1973-03-30 1973-03-30 Digital dc offset removal method for data systems

Publications (1)

Publication Number Publication Date
CA1022281A true CA1022281A (en) 1977-12-06

Family

ID=23359783

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,740A Expired CA1022281A (en) 1973-03-30 1974-03-12 Digital dc offset removal method for data systems

Country Status (5)

Country Link
US (1) US3819864A (de)
JP (1) JPS5030567A (de)
CA (1) CA1022281A (de)
DE (1) DE2413191A1 (de)
FR (1) FR2223909B1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282759A1 (fr) * 1974-08-21 1976-03-19 Gen Electric Appareil pour eliminer la tension de derive en courant continu d'un canal de donnees
US4005273A (en) * 1976-03-08 1977-01-25 Western Geophysical Company Of America Multiplexer offset removal circuit
US4309763A (en) * 1977-03-02 1982-01-05 Refraction Technology, Inc. Digital sonobuoy
US4140925A (en) * 1977-07-15 1979-02-20 Northern Telecom Limited Automatic d-c offset cancellation in PCM encoders
US4313195A (en) * 1979-04-23 1982-01-26 Sangamo Weston, Inc. Reduced sample rate data acquisition system
DE2938947A1 (de) * 1979-09-26 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer einen analogvergleicher
US4321675A (en) * 1980-01-21 1982-03-23 Texas Instruments Incorporated Method and apparatus for increasing the dynamic range of a data acquisition system at low frequencies without reducing high frequency gain
US4567466A (en) * 1982-12-08 1986-01-28 Honeywell Inc. Sensor communication system
US4663744A (en) * 1983-08-31 1987-05-05 Terra Marine Engineering, Inc. Real time seismic telemetry system
DE3345354A1 (de) * 1983-12-15 1985-06-27 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur erkennung des klopfens bei brennkraftmaschinen
US4704584A (en) * 1986-06-25 1987-11-03 Fairfield Industries Instantaneous floating point amplifier
US4875166A (en) * 1987-10-09 1989-10-17 Input/Output, Inc. Bandwidth enhancing seismic acquisition system and method
US4906928A (en) * 1988-12-29 1990-03-06 Atlantic Richfield Company Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers
DE4228833B4 (de) * 1992-08-29 2006-03-30 Deutsche Thomson-Brandt Gmbh Signalverarbeitungsschaltung
DE69230640T2 (de) * 1992-09-09 2000-08-31 Alcatel Bell N.V., Antwerpen Empfängerschwellwerteinstellung und Senderleistungssteuerung für ein ATM-Kommunikationssystem
US5424881A (en) * 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5583706A (en) * 1994-11-17 1996-12-10 Cirrus Logic, Inc. Decimation DC offset control in a sampled amplitude read channel
US8638883B2 (en) 2010-02-03 2014-01-28 Marvell World Trade Ltd. DC offset cancellation in direct conversion receivers
CN101917196B (zh) * 2010-08-19 2013-07-17 河南科技大学 模数联合型数据采集装置
CN105680810B (zh) * 2015-12-31 2018-09-04 杭州士兰微电子股份有限公司 放大电路、信号放大方法及传感信号处理装置
CN114533087B (zh) * 2022-04-28 2022-08-26 之江实验室 一种基于斩波技术消除电极间直流偏移的方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699325A (en) * 1969-10-09 1972-10-17 Shell Oil Co Time-shared instantaneous gain-ranging amplifier
US3676598A (en) * 1970-06-08 1972-07-11 Bell Telephone Labor Inc Frequency division multiplex single-sideband modulation system
US3657669A (en) * 1970-09-02 1972-04-18 Gte Laboratories Inc Frequency domain adaptive equalizer

Also Published As

Publication number Publication date
US3819864A (en) 1974-06-25
DE2413191A1 (de) 1974-10-24
FR2223909B1 (de) 1980-04-04
JPS5030567A (de) 1975-03-26
FR2223909A1 (de) 1974-10-25

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